Samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium, lutecium and their oxides. Spectral method of determination of impurities in oxides of rare-earth elements
Steel pattern plates for moulding boxes having inside dimensions 2500x2000 mm for moulding foundry machines with turn of half mould without squeezing. Design and dimensions